HEADER PEPTIDE BINDING PROTEIN 02-NOV-25 9XHR TITLE CRYSTAL STRUCTURE OF HUMAN CATHEPSIN B WITH A D-PEPTIDE SUBSTRATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: CATHEPSIN B; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: APP SECRETASE,APPS,CATHEPSIN B1; COMPND 5 EC: 3.4.22.1; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: ACE-DAR-DLY-DTY-DTY-GLY-0QE; COMPND 10 CHAIN: C; COMPND 11 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: CTSB, CPSB; SOURCE 6 EXPRESSION_SYSTEM: MAMMALIAN EXPRESSION VECTOR BSRGI-MCS-PCDNA3.1; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 2021187; SOURCE 8 EXPRESSION_SYSTEM_CELL_LINE: HEK-293F; SOURCE 9 MOL_ID: 2; SOURCE 10 SYNTHETIC: YES; SOURCE 11 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 12 ORGANISM_TAXID: 32630 KEYWDS COMPLEX, D-PEPTIDE SUBSTRATE, PEPTIDE BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR M.LI,T.LI,K.CHEN REVDAT 1 06-MAY-26 9XHR 0 JRNL AUTH M.LI,K.CHEN,W.ZHANG,J.HAN,M.GUO,X.ZHU,J.ZHENG,T.LI,B.DANG JRNL TITL TRANSCENDING STEREOCHEMICAL BOUNDARIES: AMBIDEXTROUS JRNL TITL 2 CLEAVAGE OF D- AND L-PEPTIDE ENANTIOMERS BY NATURAL JRNL TITL 3 EUKARYOTIC PROTEASES JRNL REF VITA 2026 JRNL REFN ESSN 2097-7468 JRNL DOI 10.15302/VITA.2026.03.0022 REMARK 2 REMARK 2 RESOLUTION. 1.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0419 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.80 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 3 NUMBER OF REFLECTIONS : 37105 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.148 REMARK 3 R VALUE (WORKING SET) : 0.147 REMARK 3 FREE R VALUE : 0.170 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 2003 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.50 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.54 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2643 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.58 REMARK 3 BIN R VALUE (WORKING SET) : 0.1710 REMARK 3 BIN FREE R VALUE SET COUNT : 140 REMARK 3 BIN FREE R VALUE : 0.1880 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2011 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 261 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 9.89 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 13.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.47000 REMARK 3 B22 (A**2) : -0.83000 REMARK 3 B33 (A**2) : 0.36000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.064 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.064 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.038 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.993 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.968 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.961 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2071 ; 0.012 ; 0.012 REMARK 3 BOND LENGTHS OTHERS (A): 1797 ; 0.001 ; 0.016 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2815 ; 1.908 ; 1.796 REMARK 3 BOND ANGLES OTHERS (DEGREES): 4162 ; 0.666 ; 1.745 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 254 ; 6.594 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 15 ;12.204 ; 7.000 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 297 ;12.408 ;10.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 279 ; 0.094 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2507 ; 0.011 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 489 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 1019 ; 1.379 ; 1.060 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 1019 ; 1.367 ; 1.059 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1272 ; 2.126 ; 1.899 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 1273 ; 2.129 ; 1.901 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1052 ; 2.630 ; 1.401 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 1053 ; 2.629 ; 1.401 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 1544 ; 4.053 ; 2.425 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): 2492 ; 6.776 ;17.840 REMARK 3 LONG RANGE B OTHER ATOMS (A**2): 2421 ; 6.725 ;16.150 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN USED IF PRESENT IN REMARK 3 THE INPUT REMARK 4 REMARK 4 9XHR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBC ON 06-NOV-25. REMARK 100 THE DEPOSITION ID IS D_1300065420. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 03-NOV-23 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : CU FINE FOCUS REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54184 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : AGILENT ATLAS CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-3000 7.21 REMARK 200 DATA SCALING SOFTWARE : HKL-3000 7.21 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 39111 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.500 REMARK 200 RESOLUTION RANGE LOW (A) : 30.800 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 200 DATA REDUNDANCY : 5.700 REMARK 200 R MERGE (I) : 0.05700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 18.4800 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.55 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.8 REMARK 200 DATA REDUNDANCY IN SHELL : 3.70 REMARK 200 R MERGE FOR SHELL (I) : 0.23600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.090 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER 2.7.0 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.80 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.08 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M BICINE, 20% PEG 10K, PH 8.5, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 X+1/2,-Y+1/2,-Z REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 -1.000000 0.000000 0.000000 15.54900 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 47.10950 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 40.66550 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 47.10950 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 15.54900 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 40.66550 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, C REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 ASP A 69 CG OD1 OD2 REMARK 480 GLU A 194 CG CD OE1 OE2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 TRP A 11 73.97 -119.20 REMARK 500 THR A 120 -165.81 -118.08 REMARK 500 LYS A 130 53.81 -92.68 REMARK 500 PRO A 138 -159.02 -85.36 REMARK 500 ASN A 222 175.54 71.39 REMARK 500 ALA A 248 -163.45 -160.12 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 DLY C 3 DTY C 4 -142.60 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 ARG A 21 0.11 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL DBREF 9XHR A 0 254 UNP P07858 CATB_HUMAN 79 333 DBREF 9XHR C 1 7 PDB 9XHR 9XHR 1 7 SEQADV 9XHR ALA A 115 UNP P07858 SER 194 ENGINEERED MUTATION SEQRES 1 A 255 LYS LEU PRO ALA SER PHE ASP ALA ARG GLU GLN TRP PRO SEQRES 2 A 255 GLN CYS PRO THR ILE LYS GLU ILE ARG ASP GLN GLY SER SEQRES 3 A 255 CYS GLY SER CYS TRP ALA PHE GLY ALA VAL GLU ALA ILE SEQRES 4 A 255 SER ASP ARG ILE CYS ILE HIS THR ASN ALA HIS VAL SER SEQRES 5 A 255 VAL GLU VAL SER ALA GLU ASP LEU LEU THR CYS CYS GLY SEQRES 6 A 255 SER MET CYS GLY ASP GLY CYS ASN GLY GLY TYR PRO ALA SEQRES 7 A 255 GLU ALA TRP ASN PHE TRP THR ARG LYS GLY LEU VAL SER SEQRES 8 A 255 GLY GLY LEU TYR GLU SER HIS VAL GLY CYS ARG PRO TYR SEQRES 9 A 255 SER ILE PRO PRO CYS GLU HIS HIS VAL ASN GLY ALA ARG SEQRES 10 A 255 PRO PRO CYS THR GLY GLU GLY ASP THR PRO LYS CYS SER SEQRES 11 A 255 LYS ILE CYS GLU PRO GLY TYR SER PRO THR TYR LYS GLN SEQRES 12 A 255 ASP LYS HIS TYR GLY TYR ASN SER TYR SER VAL SER ASN SEQRES 13 A 255 SER GLU LYS ASP ILE MET ALA GLU ILE TYR LYS ASN GLY SEQRES 14 A 255 PRO VAL GLU GLY ALA PHE SER VAL TYR SER ASP PHE LEU SEQRES 15 A 255 LEU TYR LYS SER GLY VAL TYR GLN HIS VAL THR GLY GLU SEQRES 16 A 255 MET MET GLY GLY HIS ALA ILE ARG ILE LEU GLY TRP GLY SEQRES 17 A 255 VAL GLU ASN GLY THR PRO TYR TRP LEU VAL ALA ASN SER SEQRES 18 A 255 TRP ASN THR ASP TRP GLY ASP ASN GLY PHE PHE LYS ILE SEQRES 19 A 255 LEU ARG GLY GLN ASP HIS CYS GLY ILE GLU SER GLU VAL SEQRES 20 A 255 VAL ALA GLY ILE PRO ARG THR ASP SEQRES 1 C 7 ACE DAR DLY DTY DTY GLY 0QE HET ACE C 1 3 HET DAR C 2 11 HET DLY C 3 9 HET DTY C 4 12 HET DTY C 5 12 HET 0QE C 7 1 HETNAM ACE ACETYL GROUP HETNAM DAR D-ARGININE HETNAM DLY D-LYSINE HETNAM DTY D-TYROSINE HETNAM 0QE CHLOROMETHANE HETSYN 0QE CHLORO METHYL GROUP FORMUL 2 ACE C2 H4 O FORMUL 2 DAR C6 H15 N4 O2 1+ FORMUL 2 DLY C6 H14 N2 O2 FORMUL 2 DTY 2(C9 H11 N O3) FORMUL 2 0QE C H3 CL FORMUL 3 HOH *261(H2 O) HELIX 1 AA1 ALA A 7 TRP A 11 1 5 HELIX 2 AA2 CYS A 14 GLU A 19 5 6 HELIX 3 AA3 SER A 28 THR A 46 1 19 HELIX 4 AA4 SER A 55 CYS A 63 1 9 HELIX 5 AA5 GLY A 64 CYS A 67 5 4 HELIX 6 AA6 ASP A 69 GLY A 73 5 5 HELIX 7 AA7 TYR A 75 LYS A 86 1 12 HELIX 8 AA8 TYR A 140 LYS A 144 5 5 HELIX 9 AA9 SER A 156 GLY A 168 1 13 HELIX 10 AB1 ASP A 179 TYR A 183 5 5 HELIX 11 AB2 ASP A 238 ILE A 242 5 5 SHEET 1 AA1 3 PHE A 5 ASP A 6 0 SHEET 2 AA1 3 MET A 195 GLU A 209 -1 O TRP A 206 N PHE A 5 SHEET 3 AA1 3 VAL A 170 TYR A 177 -1 N VAL A 176 O MET A 196 SHEET 1 AA2 5 PHE A 5 ASP A 6 0 SHEET 2 AA2 5 MET A 195 GLU A 209 -1 O TRP A 206 N PHE A 5 SHEET 3 AA2 5 THR A 212 ALA A 218 -1 O ALA A 218 N ARG A 202 SHEET 4 AA2 5 PHE A 230 LEU A 234 -1 O PHE A 231 N VAL A 217 SHEET 5 AA2 5 VAL A 187 TYR A 188 1 N TYR A 188 O LYS A 232 SHEET 1 AA3 2 TYR A 151 SER A 152 0 SHEET 2 AA3 2 VAL A 247 ALA A 248 -1 O ALA A 248 N TYR A 151 SSBOND 1 CYS A 14 CYS A 43 1555 1555 2.23 SSBOND 2 CYS A 26 CYS A 71 1555 1555 2.05 SSBOND 3 CYS A 62 CYS A 128 1555 1555 2.06 SSBOND 4 CYS A 63 CYS A 67 1555 1555 2.05 SSBOND 5 CYS A 100 CYS A 132 1555 1555 2.05 SSBOND 6 CYS A 108 CYS A 119 1555 1555 2.05 LINK SG CYS A 29 C1 0QE C 7 1555 1555 1.82 LINK C ACE C 1 N DAR C 2 1555 1555 1.34 LINK C DAR C 2 N DLY C 3 1555 1555 1.34 LINK C DLY C 3 N DTY C 4 1555 1555 1.34 LINK C DTY C 4 N DTY C 5 1555 1555 1.34 LINK C DTY C 5 N GLY C 6 1555 1555 1.33 LINK C GLY C 6 C1 0QE C 7 1555 1555 1.49 CISPEP 1 SER A 137 PRO A 138 0 4.04 CRYST1 31.098 81.331 94.219 90.00 90.00 90.00 P 21 21 21 4 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 0.032156 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012295 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010614 0.00000 CONECT 124 339 CONECT 216 532 CONECT 232 2012 CONECT 339 124 CONECT 480 964 CONECT 486 510 CONECT 510 486 CONECT 532 216 CONECT 755 993 CONECT 819 903 CONECT 903 819 CONECT 964 480 CONECT 993 755 CONECT 1961 1962 1963 1964 CONECT 1962 1961 CONECT 1963 1961 CONECT 1964 1961 1965 CONECT 1965 1964 1966 1973 CONECT 1966 1965 1967 CONECT 1967 1966 1968 CONECT 1968 1967 1969 CONECT 1969 1968 1970 CONECT 1970 1969 1971 1972 CONECT 1971 1970 CONECT 1972 1970 CONECT 1973 1965 1974 1975 CONECT 1974 1973 CONECT 1975 1973 1976 CONECT 1976 1975 1977 1979 CONECT 1977 1976 1978 1984 CONECT 1978 1977 CONECT 1979 1976 1980 CONECT 1980 1979 1981 CONECT 1981 1980 1982 CONECT 1982 1981 1983 CONECT 1983 1982 CONECT 1984 1977 1985 CONECT 1985 1984 1986 1988 CONECT 1986 1985 1987 1996 CONECT 1987 1986 CONECT 1988 1985 1989 CONECT 1989 1988 1990 1991 CONECT 1990 1989 1992 CONECT 1991 1989 1993 CONECT 1992 1990 1994 CONECT 1993 1991 1994 CONECT 1994 1992 1993 1995 CONECT 1995 1994 CONECT 1996 1986 1997 CONECT 1997 1996 1998 2000 CONECT 1998 1997 1999 2008 CONECT 1999 1998 CONECT 2000 1997 2001 CONECT 2001 2000 2002 2003 CONECT 2002 2001 2004 CONECT 2003 2001 2005 CONECT 2004 2002 2006 CONECT 2005 2003 2006 CONECT 2006 2004 2005 2007 CONECT 2007 2006 CONECT 2008 1998 CONECT 2010 2012 CONECT 2012 232 2010 MASTER 294 0 6 11 10 0 0 6 2272 2 63 21 END